<html>
<head>
    <title></title>
    <meta charset="utf-8">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<h2>Hello World!</h2>
<form action="${contextPath}/heronPage/helloworld/test" method="post">
    <input type="text" name="firstName" >
    <input type="submit" name="sum" value="提交">
</form>
</body>
</html>
